#define  _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>

int main()
{
	printf("hehe\n");//hehe
	printf("%s\n", "hehe");//hehe
	printf("%5s\n", "hehe");// hehe
	printf("%.5s\n", "hehehe");//heheh
	printf("%.7f\n", 5.0);//5.0000000
	printf("%6.2f\n", 0.5);//  0.50
	printf("%5d\n", 5);//    5
	printf("%.5d\n", 500000);//500000
	printf("%.5s\n", "hehe");//hehe
	printf("%5s\n", "hehehehe");//hehehe
	printf("%.5d\n", 5);//00005
	printf("%5d\n", 500000);//500000
	printf("%6.2f\n", 0.5);//  0.50
	printf("%10.7f\n", 0.7);// 0.7000000

	return 0;
}